solar facula vs speckle

solar facula and speckle both are nouns.

Word	Noun	Adjective	Verb	Adverb
solar facula	Yes	No	No	No
speckle	Yes	No	Yes	No

As nouns, speckle is a hypernym of solar facula; that is, speckle is a word with a broader meaning than solar facula:

solar facula: a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots
speckle: a small contrasting part of something

Other hypernyms of solar facula include dapple, fleck, maculation, patch, spot.

solar facula (noun)	speckle (noun)
a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots	a small contrasting part of something

solar facula (verb)	speckle (verb)
	mark with small spots
	produce a mottled effect